NASA Authorization for Fiscal Year 1965: Hearings Before the Committee on Aeronautical and Space Sciences, United States Senate, Eighty-eighth Congress, Second Session, on S. 2446, a Bill to Authorize Appropriations to the National Aeronautics and Space Administration for Research and Development, Construction of Facilities, and Administration Operations, and for Other Purposes, March 4, 5, 6, 9, 16, 17, and 18, 1964, Parts 1-2